Abstrak
The purpose of this research was to find out a significant effect of self-esteem on the English achievement of the eighth grade students at SMP Negeri 1 Tarakan in the academic year 2020/2021. This research used a survey method and the eighth grade students at SMP Negeri 1 Tarakan as the population. The numbers of samples in this research were 186 students who were determined by using the q formula with an error rate of 5% so that 16-17 students were taken for each class and used the proportionate stratified random sampling technique. The data collection techniques in this research used a questionnaire that was distributed to the sample, interviews and documentation. The data analysis technique in this research used descriptive analysis and regression analysis. The results of the research show that there was a significant effect of self-esteem on students 'English learning achievement, with the results that show the mean score of self-esteem was 78.45 while for the mean score of students' English learning achievement was 79.93. The regression equaption was Y = 16.487 + 0.809, which means that the constant score of the English learning achievement was 16.487 and the self-esteem constant value was 0.809, where for every one increase in self-esteem, the learning achievement value will increase by 0.809. The coefficient of determination (R2) was 0.088. So it can be concluded that 88% of student learning achievement are influenced by self-esteem.